package com.xuecheng.config;

import org.springframework.context.annotation.Bean;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

import javax.annotation.Resource;

/**
 * 安全管理配置
 */
@EnableWebSecurity
@EnableGlobalMethodSecurity(securedEnabled = true, prePostEnabled = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
	
	@Resource
	private DaoAuthenticationProviderCustom daoAuthenticationProviderCustom;
	
	//使用自己定义的代替框架
	@Override
	protected void configure(AuthenticationManagerBuilder auth) throws Exception {
		auth.authenticationProvider(daoAuthenticationProviderCustom);
	}
	
	@Bean
	public AuthenticationManager authenticationManagerBean() throws Exception {
		return super.authenticationManagerBean();
	}
	//配置用户信息服务
//    @Bean
//    public UserDetailsService userDetailsService() {
//        //这里配置用户信息,这里暂时使用这种方式将用户存储在内存中
//        InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();
//        //在内存创建zhangsan,密码123,分配权限p1
//        manager.createUser(User.withUsername("zhangsan").password("123").authorities("p1").build());
//        //在内存创建lisi,密码456,分配权限p2
//        manager.createUser(User.withUsername("lisi").password("456").authorities("p2").build());
//        return manager;
//    }
	
	//配置安全拦截机制
	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http
			.authorizeRequests()
			.antMatchers("/r/**").authenticated()//访问/r开始的请求需要认证通过
			.anyRequest().permitAll()//其它请求全部放行
			.and()
			.formLogin().successForwardUrl("/login-success");//登录成功跳转到/login-success
		
		http.logout().logoutUrl("/logout");//退出地址
		
	}
	
	@Bean
	public PasswordEncoder passwordEncoder() {
//        //密码为明文方式
//        return NoOpPasswordEncoder.getInstance();
		return new BCryptPasswordEncoder();
	}
	
}
